| Query | User |
|---|---|
| american flag disposal | entered by user 189289 |
| bio gas station | entered by user 865278 |
| bio gas station | entered by user ditto |
| gas station greenyes | entered by user ditto |
| gas station greenyes | entered by user ditto |
| greening of hospitals | entered by user 3288874 |
| greenyes | entered by user 865278 |
| greenyes gas | entered by user ditto |
| hdpe sheets | entered by user 7030303 |
| paper yard bags | entered by user 11583123 |
| peter kidd | entered by user 2280868 |
| san marcos landfill | entered by user 5888564 |
| the importance of recycling | entered by user 2014960 |
| waste gasification | entered by user 2512580 |